Ciudad Melchor Múzquiz weather in September

In September, Ciudad Melchor Múzquiz sees average daytime highs of 32°C and overnight lows near 21°C, with 96 mm of rain across 10.5 wet days and about 12.2 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 33°C in the first days to 31°C by the end. The sky is clear or mostly clear about 51% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 36 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Ciudad Melchor Múzquiz's 11th-clearest and 9th-windiest month. For the whole year in context, see Ciudad Melchor Múzquiz's year-round climate.

Daytime high
32°
5th warmest
Overnight low
21°
9th coldest
Rainfall
96 mm
10.5 wet days
Daylight
12 h 12 min
6:35 AM – 6:45 PM
Cloud cover
45%
11th clearest
Wind
7 km/h
9th windiest
Solar energy
5.21 kWh/m²
Travel score
4.2
out of 10

Ciudad Melchor Múzquiz is municipal seat of Múzquiz, State of Coahuila, Mexico.

Founded
1735

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 33°C in the first days to 31°C by the end.

A typical September day in Ciudad Melchor Múzquiz reaches about 32°C in the afternoon and slips back to 21°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 36°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13423
23323
33323
43323
53323
63323
73322
83322
93222
103222
113222
123222
133222
143222
153222
163221
173121
183121
193121
203121
213121
223121
233120
243120
253120
263120
273120
283120
293119
303019

How September really feels in Ciudad Melchor Múzquiz

Once humidity and wind are folded in, September averages 20 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
20
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Ciudad Melchor Múzquiz weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 214.110.47.3
Feb22° / 214.3117.9
Mar26° / 13°355.311.87.6
Apr30° / 16°435.812.65.6
May33° / 20°691013.43.7
Jun35° / 23°507.113.72.7
Jul35° / 24°687.513.62.6
Aug35° / 24°525.5132.7
Sep32° / 21°9610.512.24.2
Oct28° / 17°586.411.36.7
Nov23° / 11°304.710.68.0
Dec20° / 224.210.37.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17030
27030
36832
46832
56832
66733
76733
86733
96733
106733
116733
126733
136733
146832
156832
166832
176832
186931
196931
207030
217030
227129
237129
247228
257327
267327
277426
287426
297426
307426

Chance of precipitation in September

Any precipitation

Ciudad Melchor Múzquiz gets around 96 mm of rain over 10.5 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 40% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
132
233
335
436
537
638
739
839
940
1040
1140
1239
1339
1438
1538
1637
1736
1835
1934
2033
2132
2230
2329
2428
2527
2626
2725
2825
2925
3024

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 62% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
136244424
236234424
337214425
447204426
547204426
647194426
746194426
846184427
946184427
1046184427
1157184427
1257184426
1357194326
1467194325
1567194324
1678204323
1778204222
1889204122
1999214021
201010214020
211111213819
221212213718
231312213617
241413213516
251514213515
261614213414
271715213314
281816213213
291916223113
302017223012

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 36 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over September. Sunrise moves from 6:28 AM to 6:42 AM, and sunset from 7:03 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:287:03
212.66:297:02
312.56:297:01
412.56:307:00
512.56:306:59
612.46:316:57
712.46:316:56
812.46:326:55
912.46:326:54
1012.36:336:53
1112.36:336:51
1212.36:346:50
1312.26:346:49
1412.26:356:48
1512.26:356:47
1612.26:356:45
1712.16:366:44
1812.16:366:43
1912.16:376:42
2012.06:376:40
2112.06:386:39
2212.06:386:38
2312.06:396:37
2411.96:396:36
2511.96:406:34
2611.96:406:33
2711.96:416:32
2811.86:416:31
2911.86:426:30
3011.86:426:28

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.21 kWh/m².

For context, solar energy here swings from a low near 3.45 kWh/m² to a high of 6.73 kWh/m² in June across the year — September's 5.21 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.4Bright
75.4Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
Planning a trip in September

Is September a good time to visit Ciudad Melchor Múzquiz?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.2
Sightseeing
8th-best month of the year
6.7
Beach & pool
4th-best month of the year

September is a reasonable time to visit Ciudad Melchor Múzquiz for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Ciudad Melchor Múzquiz in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Ciudad Melchor Múzquiz sees daytime highs around 32°C and nights near 21°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Ciudad Melchor Múzquiz in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ciudad Melchor Múzquiz peaks around July 12 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighModerateJul 12UV 12Dec 18UV 4
UV index (midday)Level
Jan5High
Feb7High
Mar9Very high
Apr11Extreme
May11Extreme
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep10Extreme
Oct7Very high
Nov5High
Dec4Moderate

Air quality in Ciudad Melchor Múzquiz in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Ciudad Melchor Múzquiz is worst in July — around 17 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (January, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1617 µg/m³Jan 196 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar7Good
Apr9Good
May14Moderate
Jun14Moderate
Jul17Moderate
Aug14Moderate
Sep12Good
Oct8Good
Nov7Good
Dec7Good
Location & terrain

Where is Ciudad Melchor Múzquiz?

Ciudad Melchor Múzquiz sits at 27.9°N, 101.5°W, 492 m above sea level, in Mexico. The nearest listed city is Palaú, 9.0 km away.

Topography around Ciudad Melchor Múzquiz

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ciudad Melchor Múzquiz.

Within 3 km, the terrain around Ciudad Melchor Múzquiz has only modest variations in elevation — a maximum elevation change of 79 m around an average of 487 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,233 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,852 m.

The land around Ciudad Melchor Múzquiz is covered by shrubs (55%) and artificial surfaces (22%) within 3 km, shrubs (68%) and trees (23%) within 16 km, and shrubs (92%) within 80 km.

3 km
79 m
16 km
1,233 m
80 km
1,852 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Palaú 9.0 km · Nueva Rosita 30 km · Sabinas 39 km · Allende 83 km · San Buenaventura 91 km · Nava 95 km · Frontera 106 km · Monclova 109 km

Mexico travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 / 127 V · 60 Hz
Prices
≈ 54% of US
price level, 2025
GDP per capita
$13,889
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
12.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 440
Religion
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Ciudad Melchor Múzquiz (27.8793°, -101.5161°, elevation 492 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).